第 4 季 共 14 集
播出时间：2007年11月15日
第 1 集 Sew Me What You Got
播出时间：2007年11月15日
In the fourth-season opener, the new crop of designers invades New York City. Then, it's pins-and-needles time when the first challenge finds the newbies racing to design whatever they want. Monique Lhuillier serves as guest judge.
第 2 集 I Started Crying
播出时间：2007年11月22日
The contestants are faced with their second challenge which involves a fashion icon.
第 3 集 Fashion Giant
播出时间：2007年11月29日
The remaining designers try to measure up as they begin working for a very different client.
第 4 集 Trendsetter
播出时间：2007年12月6日
The remaining designers must split up into teams to participate in a battle involving major fashion faux pas.
第 5 集 What's the Skinny?
播出时间：2007年12月13日
The remaining designers are in a challenge that involves seamless fashion transformations.
第 6 集 Eye Candy
播出时间：2008年1月3日
The designers choose items from a chocolate shop to make their outfits.
第 7 集 What a Girl Wants
播出时间：2008年1月10日
The remaining designers are asked to create prom dresses for a group of teen girls.
第 8 集 En Garde!
播出时间：2008年1月17日
The designers have to come up with outfits that are based on various hairstyles. Italian fashion designer Alberta Ferretti is the guest judge for the week.
第 9 集 Even Designers Get the Blues
播出时间：2008年1月24日
The remaining designers have to put their own spin on denim fabric.
第 10 集 Raw Talent
播出时间：2008年2月7日
The remaining designers must come up with clothing that are inspired by female professional wrestlers.
第 11 集 The Art of Fashion
播出时间：2008年2月14日
For their last challenge before Fashion Week competition, the designers must make outfits using their own artistic expressions. After the elimination, the final designers return home to work on their signature collection.
第 12 集 Reunion
播出时间：2008年2月21日
All the Season 4 designers reunite to dish on what really happened during the season.
第 13 集 Finale: Part 1
播出时间：2008年2月28日
The remaining finalists are getting their showcases ready for Fashion Week in Bryant Park in New York City.
第 14 集 Finale: Part 2
播出时间：2008年3月6日
As the fourth season draws to a close, one designer, with the help of Victoria "Posh" Beckham, is finally chosen as the winner of Project Runway.
